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-rw-r--r--src/bin/scripts/createdb.c308
1 files changed, 308 insertions, 0 deletions
diff --git a/src/bin/scripts/createdb.c b/src/bin/scripts/createdb.c
new file mode 100644
index 0000000..a1482df
--- /dev/null
+++ b/src/bin/scripts/createdb.c
@@ -0,0 +1,308 @@
+/*-------------------------------------------------------------------------
+ *
+ * createdb
+ *
+ * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/bin/scripts/createdb.c
+ *
+ *-------------------------------------------------------------------------
+ */
+#include "postgres_fe.h"
+
+#include "common.h"
+#include "common/logging.h"
+#include "fe_utils/option_utils.h"
+#include "fe_utils/string_utils.h"
+
+
+static void help(const char *progname);
+
+
+int
+main(int argc, char *argv[])
+{
+ static struct option long_options[] = {
+ {"host", required_argument, NULL, 'h'},
+ {"port", required_argument, NULL, 'p'},
+ {"username", required_argument, NULL, 'U'},
+ {"no-password", no_argument, NULL, 'w'},
+ {"password", no_argument, NULL, 'W'},
+ {"echo", no_argument, NULL, 'e'},
+ {"owner", required_argument, NULL, 'O'},
+ {"tablespace", required_argument, NULL, 'D'},
+ {"template", required_argument, NULL, 'T'},
+ {"encoding", required_argument, NULL, 'E'},
+ {"strategy", required_argument, NULL, 'S'},
+ {"lc-collate", required_argument, NULL, 1},
+ {"lc-ctype", required_argument, NULL, 2},
+ {"locale", required_argument, NULL, 'l'},
+ {"maintenance-db", required_argument, NULL, 3},
+ {"locale-provider", required_argument, NULL, 4},
+ {"icu-locale", required_argument, NULL, 5},
+ {NULL, 0, NULL, 0}
+ };
+
+ const char *progname;
+ int optindex;
+ int c;
+
+ const char *dbname = NULL;
+ const char *maintenance_db = NULL;
+ char *comment = NULL;
+ char *host = NULL;
+ char *port = NULL;
+ char *username = NULL;
+ enum trivalue prompt_password = TRI_DEFAULT;
+ ConnParams cparams;
+ bool echo = false;
+ char *owner = NULL;
+ char *tablespace = NULL;
+ char *template = NULL;
+ char *encoding = NULL;
+ char *strategy = NULL;
+ char *lc_collate = NULL;
+ char *lc_ctype = NULL;
+ char *locale = NULL;
+ char *locale_provider = NULL;
+ char *icu_locale = NULL;
+
+ PQExpBufferData sql;
+
+ PGconn *conn;
+ PGresult *result;
+
+ pg_logging_init(argv[0]);
+ progname = get_progname(argv[0]);
+ set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pgscripts"));
+
+ handle_help_version_opts(argc, argv, "createdb", help);
+
+ while ((c = getopt_long(argc, argv, "h:p:U:wWeO:D:T:E:l:S:", long_options, &optindex)) != -1)
+ {
+ switch (c)
+ {
+ case 'h':
+ host = pg_strdup(optarg);
+ break;
+ case 'p':
+ port = pg_strdup(optarg);
+ break;
+ case 'U':
+ username = pg_strdup(optarg);
+ break;
+ case 'w':
+ prompt_password = TRI_NO;
+ break;
+ case 'W':
+ prompt_password = TRI_YES;
+ break;
+ case 'e':
+ echo = true;
+ break;
+ case 'O':
+ owner = pg_strdup(optarg);
+ break;
+ case 'D':
+ tablespace = pg_strdup(optarg);
+ break;
+ case 'T':
+ template = pg_strdup(optarg);
+ break;
+ case 'E':
+ encoding = pg_strdup(optarg);
+ break;
+ case 'S':
+ strategy = pg_strdup(optarg);
+ break;
+ case 1:
+ lc_collate = pg_strdup(optarg);
+ break;
+ case 2:
+ lc_ctype = pg_strdup(optarg);
+ break;
+ case 'l':
+ locale = pg_strdup(optarg);
+ break;
+ case 3:
+ maintenance_db = pg_strdup(optarg);
+ break;
+ case 4:
+ locale_provider = pg_strdup(optarg);
+ break;
+ case 5:
+ icu_locale = pg_strdup(optarg);
+ break;
+ default:
+ /* getopt_long already emitted a complaint */
+ pg_log_error_hint("Try \"%s --help\" for more information.", progname);
+ exit(1);
+ }
+ }
+
+ switch (argc - optind)
+ {
+ case 0:
+ break;
+ case 1:
+ dbname = argv[optind];
+ break;
+ case 2:
+ dbname = argv[optind];
+ comment = argv[optind + 1];
+ break;
+ default:
+ pg_log_error("too many command-line arguments (first is \"%s\")",
+ argv[optind + 2]);
+ pg_log_error_hint("Try \"%s --help\" for more information.", progname);
+ exit(1);
+ }
+
+ if (locale)
+ {
+ if (!lc_ctype)
+ lc_ctype = locale;
+ if (!lc_collate)
+ lc_collate = locale;
+ }
+
+ if (encoding)
+ {
+ if (pg_char_to_encoding(encoding) < 0)
+ pg_fatal("\"%s\" is not a valid encoding name", encoding);
+ }
+
+ if (dbname == NULL)
+ {
+ if (getenv("PGDATABASE"))
+ dbname = getenv("PGDATABASE");
+ else if (getenv("PGUSER"))
+ dbname = getenv("PGUSER");
+ else
+ dbname = get_user_name_or_exit(progname);
+ }
+
+ /* No point in trying to use postgres db when creating postgres db. */
+ if (maintenance_db == NULL && strcmp(dbname, "postgres") == 0)
+ maintenance_db = "template1";
+
+ cparams.dbname = maintenance_db;
+ cparams.pghost = host;
+ cparams.pgport = port;
+ cparams.pguser = username;
+ cparams.prompt_password = prompt_password;
+ cparams.override_dbname = NULL;
+
+ conn = connectMaintenanceDatabase(&cparams, progname, echo);
+
+ initPQExpBuffer(&sql);
+
+ appendPQExpBuffer(&sql, "CREATE DATABASE %s",
+ fmtId(dbname));
+
+ if (owner)
+ appendPQExpBuffer(&sql, " OWNER %s", fmtId(owner));
+ if (tablespace)
+ appendPQExpBuffer(&sql, " TABLESPACE %s", fmtId(tablespace));
+ if (encoding)
+ {
+ appendPQExpBufferStr(&sql, " ENCODING ");
+ appendStringLiteralConn(&sql, encoding, conn);
+ }
+ if (strategy)
+ appendPQExpBuffer(&sql, " STRATEGY %s", fmtId(strategy));
+ if (template)
+ appendPQExpBuffer(&sql, " TEMPLATE %s", fmtId(template));
+ if (lc_collate)
+ {
+ appendPQExpBufferStr(&sql, " LC_COLLATE ");
+ appendStringLiteralConn(&sql, lc_collate, conn);
+ }
+ if (lc_ctype)
+ {
+ appendPQExpBufferStr(&sql, " LC_CTYPE ");
+ appendStringLiteralConn(&sql, lc_ctype, conn);
+ }
+ if (locale_provider)
+ appendPQExpBuffer(&sql, " LOCALE_PROVIDER %s", locale_provider);
+ if (icu_locale)
+ {
+ appendPQExpBufferStr(&sql, " ICU_LOCALE ");
+ appendStringLiteralConn(&sql, icu_locale, conn);
+ }
+
+ appendPQExpBufferChar(&sql, ';');
+
+ if (echo)
+ printf("%s\n", sql.data);
+ result = PQexec(conn, sql.data);
+
+ if (PQresultStatus(result) != PGRES_COMMAND_OK)
+ {
+ pg_log_error("database creation failed: %s", PQerrorMessage(conn));
+ PQfinish(conn);
+ exit(1);
+ }
+
+ PQclear(result);
+
+ if (comment)
+ {
+ printfPQExpBuffer(&sql, "COMMENT ON DATABASE %s IS ", fmtId(dbname));
+ appendStringLiteralConn(&sql, comment, conn);
+ appendPQExpBufferChar(&sql, ';');
+
+ if (echo)
+ printf("%s\n", sql.data);
+ result = PQexec(conn, sql.data);
+
+ if (PQresultStatus(result) != PGRES_COMMAND_OK)
+ {
+ pg_log_error("comment creation failed (database was created): %s",
+ PQerrorMessage(conn));
+ PQfinish(conn);
+ exit(1);
+ }
+
+ PQclear(result);
+ }
+
+ PQfinish(conn);
+
+ exit(0);
+}
+
+
+static void
+help(const char *progname)
+{
+ printf(_("%s creates a PostgreSQL database.\n\n"), progname);
+ printf(_("Usage:\n"));
+ printf(_(" %s [OPTION]... [DBNAME] [DESCRIPTION]\n"), progname);
+ printf(_("\nOptions:\n"));
+ printf(_(" -D, --tablespace=TABLESPACE default tablespace for the database\n"));
+ printf(_(" -e, --echo show the commands being sent to the server\n"));
+ printf(_(" -E, --encoding=ENCODING encoding for the database\n"));
+ printf(_(" -l, --locale=LOCALE locale settings for the database\n"));
+ printf(_(" --lc-collate=LOCALE LC_COLLATE setting for the database\n"));
+ printf(_(" --lc-ctype=LOCALE LC_CTYPE setting for the database\n"));
+ printf(_(" --icu-locale=LOCALE ICU locale setting for the database\n"));
+ printf(_(" --locale-provider={libc|icu}\n"
+ " locale provider for the database's default collation\n"));
+ printf(_(" -O, --owner=OWNER database user to own the new database\n"));
+ printf(_(" -S, --strategy=STRATEGY database creation strategy wal_log or file_copy\n"));
+ printf(_(" -T, --template=TEMPLATE template database to copy\n"));
+ printf(_(" -V, --version output version information, then exit\n"));
+ printf(_(" -?, --help show this help, then exit\n"));
+ printf(_("\nConnection options:\n"));
+ printf(_(" -h, --host=HOSTNAME database server host or socket directory\n"));
+ printf(_(" -p, --port=PORT database server port\n"));
+ printf(_(" -U, --username=USERNAME user name to connect as\n"));
+ printf(_(" -w, --no-password never prompt for password\n"));
+ printf(_(" -W, --password force password prompt\n"));
+ printf(_(" --maintenance-db=DBNAME alternate maintenance database\n"));
+ printf(_("\nBy default, a database with the same name as the current user is created.\n"));
+ printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+ printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
+}
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